Smart Aluminium Cat & Dog Flap Door – 4 Way Lock. Choose how your pet uses the door with four simple settings Fits door thickness approx. 3.2cm – 6.3cm.
eBay
For Dog Cat Kitten ABS Plastic Dog Cat Flap Door With 4 Way Lock Security Flap Door Small Pet Supplies Cat Puppy Safety Gate
Aliexpress UK
Locking panel included,can be used when you don't need the doggie door in use. You can insert the locking panel on the interior door when you don't want it to be used. 1 2-way locking pet door with locking panel.
eBay
4 Way Locking Cat Doors Cat Flap Door 4 Way Locking Cat Doors Small Pet Door for Cats Small Dogs Puppy Access Hole
Aliexpress UK
Modern Black Square Waterfall Cloakroom Basin Mixer Tap Sink Mono Bathroom UK. Retractable Pet Dog Gate Safety Guard Folding Baby Toddler Stair Gates Isolation. 200cm Wall Handrail for Stair Rail Carbon Steel Industrial Black Loft Pipe UK.
eBay
Punch-Free Pet Door Opener Adjustable Cat Door Holder Latch Easy Installation Pet Flap Door for Dog Cats Pet Supplies
Aliexpress UK
UK Portable Folding Pet Cat Dog Puppy Carrier Bag Cate F Bicycle Bike Coffee. 3 Colors Pet Cat Dog Bike Carrier Basket Bag F Bicycle Seat Travel +Safety Belt. Locking panel included,can be used when you don't need the doggie door in use.
eBay
Home Lockable Dog Screen Door Pet Cat Screen Door Plastic Pet Door for Mosquito Proof Screen Window Security Flap Gate Dog Fence
Aliexpress UK
For glass doors, score lightly along the marked line with a glass cutter, then secure the pet door in place with glass adhesive. Mount the pet door and fasten it securely with the accessory screws using a screwdriver.
eBay
Steel Frame Telescoping Tunnel Double Flap Dog Cat Door Strong Durable 3-Flap Pet Door for Wall
Aliexpress UK
Original Petsafe 2-Way Pet Door Cat Flap. Your dog or cat can let themself out with the Petsafe Original 2-Way Pet Door. Set it to 'Unlocked' for more freedom or 'Locked' when you don't want your pet to use the door.
eBay
Pet Screen Door,Inside Door 8x10x0.4 inch,Lockable Magnetic Flap Screen Automatic Lockable Black Door for Puppy Dog and Cat Door
Aliexpress UK
2 Sizes 3M 304 Stainless Steel Toilet Tissue Paper Roll Holder Towel Storage RV. UK Portable Folding Pet Cat Dog Puppy Carrier Bag Cate F Bicycle Bike Coffee. Locking panel included,can be used when you don't need the doggie door in use.
eBay
Upgraded Cat Flap Door with 4 Way Locking ABS Plastic Security Flap Door Pet Door for Cat Up to 16lbs for Interior Exterior Gate
Aliexpress UK
Slide the locks on the bottom of the flap to set the door to one of the following. Flap is locked from both sides. Cat can go out but can not get back in (for preventing other cats also entering). Cat can only enter from the outside but not go out again.
eBay
4-Way Lockable Plastic Pet Big Dog Cat Door for Screen Window Safety Flap Gates Pet Tunnel Dog Fence Free Access Door for Home
Aliexpress UK